Evidence row 1775211

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/4n8vQ7"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/bbe7a067-2d5c-4f21-9b16-2c1cd72dd69f/.well-known/agent-card.json"
    ]
  ],
  "name": "Gruber",
  "owner_address": "0x710d1a2f9113ddd12eba719c8edd4467b2e80cb3",
  "raw": {
    "agent_id": "10639",
    "agent_uri": "https://centralcity.ai/a/4n8vQ7",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gruber is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/4n8vQ7",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gruber",
      "registrations": [
        {
          "agentId": 10639,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/bbe7a067-2d5c-4f21-9b16-2c1cd72dd69f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/4n8vQ7",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793551203,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T16:42:37Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gruber is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/4n8vQ7"
}

What the leaf hashes

{"body":"40f23f96add61a8cfd9a3c030bbdf8d1d5ab7223cd436ee664ce3da170b16df0","id":1775211,"kind":"listing","method":"sync.erc8004/1","observed_us":1793551357351039,"prev":null,"subject":"erc8004:5042:10639","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x6d818414169ad19dc9e8e1a24b02f444d9b2d9ea847b11b4e8b543fd3ffa9647
2. 0xea02f936ea370d86fcd610bbeda26ea4dab3744965f637b1d5f59ff97461e475
3. 0x397a55d87a72de9a83e7823d33f2fc2ed57e1ed7d78deb3eceafff34aecbcc8e
4. 0xcb307a62a9332c87a5dd7f8c2bf2ad54dd22b70d9eb59ebb316c3911d4ac8a07
5. 0x0756fb31cf041a2a0849a295fca14ded618d6744d09e29fb6fde4d9b03837513
6. 0xec69b66906b18ff0614c1283a49ead5f186a0eb86b93b58460bb2d965c22f8f4
7. 0x50bc39697823df0f51c303504a992988f7dc740025ac61af09166da561e97132
8. 0xb64fdca8b00645e348e8689cae6120aa2058e7af1d7cafb203525a90bfa035ec
9. 0xd2422ebd9ce1405e12987b0a028365a326df4b0d78e151b81214b047955d5cf6
10. 0xcd72069c6a6b948576582509a01c6f30275d763a485338e2ca62d233101d01b0
11. 0x74381de869237a7c5fa3e6648288273b5de7738bc967df98a46759f9e9dfae90
12. 0x297f36c22fe804744c292be39eb31c1120a3055c3ff4909fb350387ad7722760
13. 0xa13438f39c1dfc140d96305eabe916e6460ab6d540c44fdae98e5b23acc906db
14. 0x6e52ec74954b02fa6342c949413ce6ced87071b172b1bcf0f6191252f67257fa
15. 0x7c66173839ef153f08dfd346f7ea956e9226e1b7ff05bf4c6cf27436953f336b
16. 0xc1f6e8dd182b37cbb6e04d0e69486bd40d440934f8e373b9bae8cb78de508bba
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90